EP2236756A3 - Turbine à gaz dotée d'un ensemble joints avec une plaque de recouvrement faciale et un joint - Google Patents
Turbine à gaz dotée d'un ensemble joints avec une plaque de recouvrement faciale et un joint Download PDFInfo
- Publication number
- EP2236756A3 EP2236756A3 EP10156207.2A EP10156207A EP2236756A3 EP 2236756 A3 EP2236756 A3 EP 2236756A3 EP 10156207 A EP10156207 A EP 10156207A EP 2236756 A3 EP2236756 A3 EP 2236756A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- seal
- gas turbine
- side plate
- wheel
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/005—Sealing means between non relatively rotating elements
- F01D11/006—Sealing the gap between rotor blades or blades and rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
- F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/402,800 US8696320B2 (en) | 2009-03-12 | 2009-03-12 | Gas turbine having seal assembly with coverplate and seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2236756A2 EP2236756A2 (fr) | 2010-10-06 |
| EP2236756A3 true EP2236756A3 (fr) | 2013-09-11 |
Family
ID=42238696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10156207.2A Ceased EP2236756A3 (fr) | 2009-03-12 | 2010-03-11 | Turbine à gaz dotée d'un ensemble joints avec une plaque de recouvrement faciale et un joint |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8696320B2 (fr) |
| EP (1) | EP2236756A3 (fr) |
| JP (1) | JP5738536B2 (fr) |
| CN (1) | CN101892911B (fr) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8142141B2 (en) * | 2009-03-23 | 2012-03-27 | General Electric Company | Apparatus for turbine engine cooling air management |
| US8277172B2 (en) * | 2009-03-23 | 2012-10-02 | General Electric Company | Apparatus for turbine engine cooling air management |
| US8845284B2 (en) | 2010-07-02 | 2014-09-30 | General Electric Company | Apparatus and system for sealing a turbine rotor |
| US20120195742A1 (en) * | 2011-01-28 | 2012-08-02 | Jain Sanjeev Kumar | Turbine bucket for use in gas turbine engines and methods for fabricating the same |
| US9217334B2 (en) | 2011-10-26 | 2015-12-22 | General Electric Company | Turbine cover plate assembly |
| US9080456B2 (en) | 2012-01-20 | 2015-07-14 | General Electric Company | Near flow path seal with axially flexible arms |
| US8864453B2 (en) | 2012-01-20 | 2014-10-21 | General Electric Company | Near flow path seal for a turbomachine |
| US9151169B2 (en) * | 2012-03-29 | 2015-10-06 | General Electric Company | Near-flow-path seal isolation dovetail |
| US9181810B2 (en) * | 2012-04-16 | 2015-11-10 | General Electric Company | System and method for covering a blade mounting region of turbine blades |
| US9366151B2 (en) * | 2012-05-07 | 2016-06-14 | General Electric Company | System and method for covering a blade mounting region of turbine blades |
| US9328622B2 (en) * | 2012-06-12 | 2016-05-03 | General Electric Company | Blade attachment assembly |
| US10648352B2 (en) | 2012-06-30 | 2020-05-12 | General Electric Company | Turbine blade sealing structure |
| FR2995343B1 (fr) * | 2012-09-11 | 2018-05-25 | Safran Aircraft Engines | Aube de turbine, turbine, et procede de fabrication |
| US9303521B2 (en) | 2012-09-27 | 2016-04-05 | United Technologies Corporation | Interstage coverplate assembly for arranging between adjacent rotor stages of a rotor assembly |
| GB2525807B (en) * | 2013-02-05 | 2016-09-07 | Snecma | Flow distribution blading comprising an improved sealing plate |
| US9605552B2 (en) | 2013-06-10 | 2017-03-28 | General Electric Company | Non-integral segmented angel-wing seal |
| US10202853B2 (en) | 2013-09-11 | 2019-02-12 | General Electric Company | Ply architecture for integral platform and damper retaining features in CMC turbine blades |
| FR3020408B1 (fr) * | 2014-04-24 | 2018-04-06 | Safran Aircraft Engines | Ensemble rotatif pour turbomachine |
| US10662793B2 (en) | 2014-12-01 | 2020-05-26 | General Electric Company | Turbine wheel cover-plate mounted gas turbine interstage seal |
| JP6613611B2 (ja) | 2015-05-15 | 2019-12-04 | 株式会社Ｉｈｉ | タービンブレード取付構造 |
| US11208893B2 (en) * | 2015-05-25 | 2021-12-28 | Socpra Sciences Et Genie S.E.C. | High temperature ceramic rotary turbomachinery |
| US10385716B2 (en) | 2015-07-02 | 2019-08-20 | Unted Technologies Corporation | Seal for a gas turbine engine |
| DE102015116935A1 (de) * | 2015-10-06 | 2017-04-06 | Rolls-Royce Deutschland Ltd & Co Kg | Sicherungsvorrichtung zur axialen Sicherung einer Laufschaufel und Rotorvorrichtung mit einer derartigen Sicherungsvorrichtung |
| EP3423679A1 (fr) * | 2016-04-08 | 2019-01-09 | Siemens Aktiengesellschaft | Disque de rotor muni d'un élément d'étanchéité côté frontal |
| US10196916B2 (en) * | 2016-04-08 | 2019-02-05 | Siemens Aktiengesellschaft | Rotor disk having an end-side sealing element |
| KR101882109B1 (ko) * | 2016-12-23 | 2018-07-25 | 두산중공업 주식회사 | 가스 터빈 |
| KR20180114765A (ko) * | 2017-04-11 | 2018-10-19 | 두산중공업 주식회사 | 가스터빈 블레이드의 리테이너, 이를 이용한 터빈유닛 및 가스터빈 |
| EP3438410B1 (fr) | 2017-08-01 | 2021-09-29 | General Electric Company | Système d'étanchéité pour machine rotative |
| KR20190029963A (ko) * | 2017-09-13 | 2019-03-21 | 두산중공업 주식회사 | 터빈 블레이드의 냉각구조 및 이를 포함하는 터빈 및 가스터빈 |
| CN109746631A (zh) * | 2017-11-02 | 2019-05-14 | 西门子公司 | 用于燃气轮机的密封盖板的制造方法、装置和存储介质 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3318573A (en) * | 1964-08-19 | 1967-05-09 | Director Of Nat Aerospace Lab | Apparatus for maintaining rotor disc of gas turbine engine at a low temperature |
| US4355957A (en) * | 1981-06-18 | 1982-10-26 | United Technologies Corporation | Blade damper |
| GB2148404A (en) * | 1983-10-19 | 1985-05-30 | Gen Motors Corp | End seal for turbine blade base |
| GB2262139A (en) * | 1991-12-04 | 1993-06-09 | Rolls Royce Plc | Fan blade retainer |
| US5388962A (en) * | 1993-10-15 | 1995-02-14 | General Electric Company | Turbine rotor disk post cooling system |
| JPH1162502A (ja) * | 1997-08-21 | 1999-03-05 | Ishikawajima Harima Heavy Ind Co Ltd | タービン動翼のシールダンパー |
| WO1999050534A1 (fr) * | 1998-03-27 | 1999-10-07 | Pratt & Whitney Canada Corp. | Deflecteur servant a reguler l'entree de fuites d'air de refroidissement dans la trajectoire du gaz d'un moteur a turbine a gaz |
| US20040062643A1 (en) * | 2002-09-30 | 2004-04-01 | General Electric Company | Turbomachinery blade retention system |
| US20070258816A1 (en) * | 2005-09-26 | 2007-11-08 | Pratt & Whitney Canada Corp. | Blades for a gas turbine engine with integrated sealing plate and method |
Family Cites Families (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3043562A (en) * | 1961-04-10 | 1962-07-10 | Gen Electric | Combination sealing and restraining member for long-shank turbo-machine buckets |
| NL295165A (fr) * | 1962-07-11 | |||
| US3501249A (en) * | 1968-06-24 | 1970-03-17 | Westinghouse Electric Corp | Side plates for turbine blades |
| BE791375A (fr) * | 1971-12-02 | 1973-03-01 | Gen Electric | Deflecteur et amortisseur pour ailettes de turbomachines |
| BE792286A (fr) * | 1971-12-06 | 1973-03-30 | Gen Electric | Dispositif de retenue d'aubes sans boulon pour un rotor de turbomachin |
| US3814539A (en) * | 1972-10-04 | 1974-06-04 | Gen Electric | Rotor sealing arrangement for an axial flow fluid turbine |
| US3829233A (en) * | 1973-06-27 | 1974-08-13 | Westinghouse Electric Corp | Turbine diaphragm seal structure |
| US3853425A (en) * | 1973-09-07 | 1974-12-10 | Westinghouse Electric Corp | Turbine rotor blade cooling and sealing system |
| GB1479332A (en) * | 1974-11-06 | 1977-07-13 | Rolls Royce | Means for retaining blades to a disc or like structure |
| US4021138A (en) * | 1975-11-03 | 1977-05-03 | Westinghouse Electric Corporation | Rotor disk, blade, and seal plate assembly for cooled turbine rotor blades |
| US4111603A (en) * | 1976-05-17 | 1978-09-05 | Westinghouse Electric Corp. | Ceramic rotor blade assembly for a gas turbine engine |
| US4088421A (en) * | 1976-09-30 | 1978-05-09 | General Electric Company | Coverplate damping arrangement |
| US4218189A (en) * | 1977-08-09 | 1980-08-19 | Rolls-Royce Limited | Sealing means for bladed rotor for a gas turbine engine |
| CH626947A5 (fr) * | 1978-03-02 | 1981-12-15 | Bbc Brown Boveri & Cie | |
| US4326835A (en) * | 1979-10-29 | 1982-04-27 | General Motors Corporation | Blade platform seal for ceramic/metal rotor assembly |
| JPS5910704A (ja) | 1982-07-08 | 1984-01-20 | Toshiba Corp | タ−ビン羽根植込部の構造 |
| US4480958A (en) * | 1983-02-09 | 1984-11-06 | The United States Of America As Represented By The Secretary Of The Air Force | High pressure turbine rotor two-piece blade retainer |
| US4507052A (en) * | 1983-03-31 | 1985-03-26 | General Motors Corporation | End seal for turbine blade bases |
| US4500098A (en) * | 1983-12-22 | 1985-02-19 | United Technologies Corporation | Gas seal for rotating components |
| US4659289A (en) * | 1984-07-23 | 1987-04-21 | United Technologies Corporation | Turbine side plate assembly |
| US4645424A (en) * | 1984-07-23 | 1987-02-24 | United Technologies Corporation | Rotating seal for gas turbine engine |
| US4659285A (en) * | 1984-07-23 | 1987-04-21 | United Technologies Corporation | Turbine cover-seal assembly |
| US4743164A (en) * | 1986-12-29 | 1988-05-10 | United Technologies Corporation | Interblade seal for turbomachine rotor |
| US4781534A (en) * | 1987-02-27 | 1988-11-01 | Westinghouse Electric Corp. | Apparatus and method for reducing windage and leakage in steam turbine incorporating axial entry blade |
| GB2251040B (en) * | 1990-12-22 | 1994-06-22 | Rolls Royce Plc | Seal arrangement |
| US5275534A (en) * | 1991-10-30 | 1994-01-04 | General Electric Company | Turbine disk forward seal assembly |
| US5236302A (en) * | 1991-10-30 | 1993-08-17 | General Electric Company | Turbine disk interstage seal system |
| US5277548A (en) * | 1991-12-31 | 1994-01-11 | United Technologies Corporation | Non-integral rotor blade platform |
| US5257909A (en) * | 1992-08-17 | 1993-11-02 | General Electric Company | Dovetail sealing device for axial dovetail rotor blades |
| US5338154A (en) * | 1993-03-17 | 1994-08-16 | General Electric Company | Turbine disk interstage seal axial retaining ring |
| US5503528A (en) * | 1993-12-27 | 1996-04-02 | Solar Turbines Incorporated | Rim seal for turbine wheel |
| US5429478A (en) * | 1994-03-31 | 1995-07-04 | United Technologies Corporation | Airfoil having a seal and an integral heat shield |
| EP0789806B1 (fr) * | 1994-10-31 | 1998-07-29 | Westinghouse Electric Corporation | Pale de turbine a gaz avec plateforme refroidie |
| RU2076227C1 (ru) * | 1995-08-04 | 1997-03-27 | Павел Михайлович Анохин | Уплотнение цилиндропоршневой группы двигателя внутреннего сгорания |
| US5659289A (en) * | 1995-08-21 | 1997-08-19 | Zonkoski; John A. | Control and interface system for emergency vehicles |
| GB2317652B (en) * | 1996-09-26 | 2000-05-17 | Rolls Royce Plc | Seal arrangement |
| US5803710A (en) * | 1996-12-24 | 1998-09-08 | United Technologies Corporation | Turbine engine rotor blade platform sealing and vibration damping device |
| JP3302589B2 (ja) * | 1997-02-06 | 2002-07-15 | 株式会社日立製作所 | セラミック被覆ガスタービン動翼 |
| JPH10252412A (ja) * | 1997-03-12 | 1998-09-22 | Mitsubishi Heavy Ind Ltd | ガスタービンシール装置 |
| JP3462695B2 (ja) * | 1997-03-12 | 2003-11-05 | 三菱重工業株式会社 | ガスタービン動翼シール板 |
| JPH10259703A (ja) * | 1997-03-18 | 1998-09-29 | Mitsubishi Heavy Ind Ltd | ガスタービンのシュラウド及びプラットフォームシールシステム |
| US5924843A (en) * | 1997-05-21 | 1999-07-20 | General Electric Company | Turbine blade cooling |
| GB2332024B (en) * | 1997-12-03 | 2000-12-13 | Rolls Royce Plc | Rotary assembly |
| US5993160A (en) * | 1997-12-11 | 1999-11-30 | Pratt & Whitney Canada Inc. | Cover plate for gas turbine rotor |
| US6220814B1 (en) * | 1998-07-16 | 2001-04-24 | Siemens Westinghouse Power Corporation | Turbine interstage sealing arrangement |
| US6273683B1 (en) * | 1999-02-05 | 2001-08-14 | Siemens Westinghouse Power Corporation | Turbine blade platform seal |
| EP1163427B1 (fr) * | 1999-03-19 | 2003-12-10 | Siemens Aktiengesellschaft | Rotor de turbine a gaz dote d'une aube a refroidissement interne |
| US6190131B1 (en) * | 1999-08-31 | 2001-02-20 | General Electric Co. | Non-integral balanced coverplate and coverplate centering slot for a turbine |
| US6315298B1 (en) * | 1999-11-22 | 2001-11-13 | United Technologies Corporation | Turbine disk and blade assembly seal |
| FR2817290B1 (fr) * | 2000-11-30 | 2003-02-21 | Snecma Moteurs | Flasque de disque aubage de rotor et agencement correspondant |
| US6506016B1 (en) * | 2001-11-15 | 2003-01-14 | General Electric Company | Angel wing seals for blades of a gas turbine and methods for determining angel wing seal profiles |
| GB0219781D0 (en) * | 2002-08-23 | 2002-10-02 | Rolls Royce Plc | Seals and a method of making seals |
| US6945749B2 (en) * | 2003-09-12 | 2005-09-20 | Siemens Westinghouse Power Corporation | Turbine blade platform cooling system |
| JP3864157B2 (ja) * | 2003-12-05 | 2006-12-27 | 本田技研工業株式会社 | 軸流型タービンホイール |
| GB0412476D0 (en) * | 2004-06-04 | 2004-07-07 | Rolls Royce Plc | Seal system |
| US7175391B2 (en) | 2004-07-08 | 2007-02-13 | United Technologies Corporation | Turbine blade |
| US7121800B2 (en) * | 2004-09-13 | 2006-10-17 | United Technologies Corporation | Turbine blade nested seal damper assembly |
| US7264448B2 (en) * | 2004-10-06 | 2007-09-04 | Siemens Power Corporation, Inc. | Remotely accessible locking system for turbine blades |
| US7189055B2 (en) * | 2005-05-31 | 2007-03-13 | Pratt & Whitney Canada Corp. | Coverplate deflectors for redirecting a fluid flow |
| ES2330379T3 (es) | 2007-01-09 | 2009-12-09 | Siemens Aktiengesellschaft | Seccion axial de un rotor para un rotor de turbina. |
| EP1947293B1 (fr) | 2007-01-18 | 2009-11-04 | Siemens Aktiengesellschaft | Aube directrice pour turbine à gaz |
| US8206119B2 (en) * | 2009-02-05 | 2012-06-26 | General Electric Company | Turbine coverplate systems |
-
2009
- 2009-03-12 US US12/402,800 patent/US8696320B2/en active Active
-
2010
- 2010-03-10 JP JP2010052475A patent/JP5738536B2/ja active Active
- 2010-03-11 EP EP10156207.2A patent/EP2236756A3/fr not_active Ceased
- 2010-03-12 CN CN201010146904.7A patent/CN101892911B/zh active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3318573A (en) * | 1964-08-19 | 1967-05-09 | Director Of Nat Aerospace Lab | Apparatus for maintaining rotor disc of gas turbine engine at a low temperature |
| US4355957A (en) * | 1981-06-18 | 1982-10-26 | United Technologies Corporation | Blade damper |
| GB2148404A (en) * | 1983-10-19 | 1985-05-30 | Gen Motors Corp | End seal for turbine blade base |
| GB2262139A (en) * | 1991-12-04 | 1993-06-09 | Rolls Royce Plc | Fan blade retainer |
| US5388962A (en) * | 1993-10-15 | 1995-02-14 | General Electric Company | Turbine rotor disk post cooling system |
| JPH1162502A (ja) * | 1997-08-21 | 1999-03-05 | Ishikawajima Harima Heavy Ind Co Ltd | タービン動翼のシールダンパー |
| WO1999050534A1 (fr) * | 1998-03-27 | 1999-10-07 | Pratt & Whitney Canada Corp. | Deflecteur servant a reguler l'entree de fuites d'air de refroidissement dans la trajectoire du gaz d'un moteur a turbine a gaz |
| US20040062643A1 (en) * | 2002-09-30 | 2004-04-01 | General Electric Company | Turbomachinery blade retention system |
| US20070258816A1 (en) * | 2005-09-26 | 2007-11-08 | Pratt & Whitney Canada Corp. | Blades for a gas turbine engine with integrated sealing plate and method |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2236756A2 (fr) | 2010-10-06 |
| CN101892911A (zh) | 2010-11-24 |
| JP5738536B2 (ja) | 2015-06-24 |
| CN101892911B (zh) | 2014-04-09 |
| US20100232938A1 (en) | 2010-09-16 |
| US8696320B2 (en) | 2014-04-15 |
| JP2010216474A (ja) | 2010-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2236756A3 (fr) | Turbine à gaz dotée d'un ensemble joints avec une plaque de recouvrement faciale et un joint | |
| EP2236768A3 (fr) | Ensemble de joints de turbomachine | |
| EP2204543A3 (fr) | Assemblage d'aube de rotor à queue d'aronde | |
| EP2416006A3 (fr) | Dispositif pour le mouvement de lacet d'une éolienne | |
| EP2354451A3 (fr) | Ensemble de plaque d'étanchéité de turbine | |
| EP1944474A3 (fr) | Joint de virole de turbine à gaz et moteur à turbine à gaz associé | |
| EP2412924A3 (fr) | Espaceur de disque de rotor pour moteur à turbine à gaz et procédé de montage de l'agencement de ce rotor | |
| EP2090749A3 (fr) | Remplissage annulaire | |
| EP2085586A3 (fr) | Turbine basse pression et moteur à turbine à gaz correspondant | |
| EP2706228A3 (fr) | Ensemble de pale de rotor pour une éolienne | |
| EP2071153A3 (fr) | Turbine à gaz comprenant un souffleur contre-rotatif | |
| EP2348192A3 (fr) | Gaine d'aube de soufflante | |
| EP2374999A3 (fr) | Aube de turbine composite | |
| DK201170711A (en) | Noise reducer for rotor blade in wind turbine | |
| EP2426356A3 (fr) | Éolienne à hauteur variable et son procédé de fonctionnement | |
| EP2674577A3 (fr) | Ensemble de fixation d'aube rotorique pour turbomachine et turbomachine associée | |
| EP2085589A3 (fr) | Ensemble accessoires, boîte de vitesse et moteur à turbine à gaz correspondants | |
| EP2290199A3 (fr) | Carter de turbomachine | |
| EP2423443A3 (fr) | Montage d'aube statorique en composite | |
| EP2372096A3 (fr) | Ancrage de queue d'aronde de pale de ventilateur composite | |
| EP2578806A3 (fr) | Ensemble de virole avec rail de joint d'étanchéité profilé | |
| EP2224098A3 (fr) | Appareil pour la rétention de plaque d'arrêt d'aubes | |
| EP2481887A3 (fr) | Joint d'arbre intermédiaire doté de liaison de support | |
| WO2010069926A3 (fr) | Carénage pour pale d'éolienne | |
| EP2674614A3 (fr) | Insert de l'angle de cône pour rotor de turbine éolienne |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
| AX | Request for extension of the european patent |
Extension state: AL BA ME RS |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
| AX | Request for extension of the european patent |
Extension state: AL BA ME RS |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: F01D 11/00 20060101ALI20130802BHEP Ipc: F01D 5/26 20060101AFI20130802BHEP Ipc: F01D 5/30 20060101ALI20130802BHEP |
|
| 17P | Request for examination filed |
Effective date: 20140311 |
|
| RBV | Designated contracting states (corrected) |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
| 17Q | First examination report despatched |
Effective date: 20150304 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
| 18R | Application refused |
Effective date: 20180117 |